Blender base



FIG. 1 is a perspective view of the claimed design as seen from the top, front and right side of a blender base;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an additional perspective view thereof.

The broken lines in the drawings are included for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a blender base, as shown and described. 